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Membrane Properties
| Physical Properties | Referred Test Standard | Unit | Typical Data |
|---|---|---|---|
| Membrane Color | / | / | Black |
| Membrane Construction | / | / | Mesh/PTFE |
| Membrane Surface Property | / | / | Hydrophobic |
| Thickness | ISO 534 | mm | 0.07±0.01 |
| Interlayer Bonding Strength (90 degree peel) | Internal Method | N/inch | >2 |
| Min Air Flow Rate | ASTM D737 (Test Area: 1 cm²) | ml/min/cm²@3Kpa | >6000 |
| Typical Air Flow Rate | ASTM D737 (Test Area: 1 cm²) | ml/min/cm²@3Kpa | 9000 |
| Water Entry Pressure | ASTM D751 (Test Area: 1 cm²) | KPa for 30 sec | 5 |
| IP Rating | IEC 60529 | / | IP64/IP65/IP66 |
| Water Vapor Transmission Rate | GB/T 12704.2 (38°C/50%RH, Inverted Cup Method) | g/m²/24h | >5000 |
| Oleophobic Grade | AATCC 118 | Grade | NA |
| Operation Temperature | IEC 60068-2-14 | °C | -40°C ~ 100°C |
| ROHS | IEC 62321 | / | Meet ROHS Requirements |
| PFOA & PFOS | US EPA 3550C & US EPA 8321B | / | PFOA & PFOS Free |
NOTE:
(1) Acoustic Response and IP Grade test part dimension: I.D. 2.0 mm / O.D. 6.0 mm.
(2) The results are tested using a typical digital output MEMS microphone system and self-designed test device in ZZPIP laboratory with representative sample size. The design of the device will affect final performance.
(2) The results are tested using a typical digital output MEMS microphone system and self-designed test device in ZZPIP laboratory with representative sample size. The design of the device will affect final performance.
Application:
This series of membranes can be used in waterproof and acoustics membrane for portable and wearable electronic devices, such as Smart Phone, Earphone, Smart Watch, and Bluetooth Speaker, Alertor etc.
The membrane could provide the device with immersed waterproof protection and minimal sound transmission loss, keeping the device with the excellent acoustics transmission performance.
The membrane could provide the device with immersed waterproof protection and minimal sound transmission loss, keeping the device with the excellent acoustics transmission performance.
Shelf Life:
Shelf life is 5 years from the date of receipt for this product as long as this product is stored in its original packaging in an environment below 80° F (27° C) and 60% RH.
Note:
All data above are typical data for the membrane raw material, for reference only, and should not be used as special data for outgoing quality control.
All technical information and advice given here is based on ZZPIP’s previous experiences and test results. ZZPIP gives this information to the best of its knowledge, but assumes no legal responsibility. Customers are asked to check the suitability and usability in the specific application, since the performance of the product can only be judged when all necessary operating data are available.
All technical information and advice given here is based on ZZPIP’s previous experiences and test results. ZZPIP gives this information to the best of its knowledge, but assumes no legal responsibility. Customers are asked to check the suitability and usability in the specific application, since the performance of the product can only be judged when all necessary operating data are available.
Frequently Asked Questions
Q1: What is the construction and surface property of the ZZPIP membrane?
The membrane features a robust Mesh/PTFE construction with hydrophobic surface properties, designed to repel water while maintaining consistent airflow.
Q2: What are the primary applications for this acoustic membrane?
It is widely used in portable and wearable electronic devices such as Smart Phones, Earphones, Smart Watches, Bluetooth Speakers, and Alertors to provide reliable waterproof protection and minimal sound transmission loss.
Q3: What is the typical shelf life and recommended storage conditions?
The shelf life is 5 years from the date of receipt, provided the product is stored in its original packaging in an environment below 80°F (27°C) and 60% relative humidity (RH).
Q4: What IP ratings can this membrane achieve?
According to the IEC 60529 standard, the membrane is capable of meeting IP64, IP65, and IP66 ratings, depending on the final design and integration of the device.
Q5: What is the operating temperature range for the membrane?
The membrane is designed to operate reliably in extreme conditions, with a tested temperature range from -40°C up to 100°C.
Q6: Is the membrane material compliant with environmental regulations?
Yes, the material meets all ROHS requirements and is certified PFOA & PFOS free, ensuring compliance with global environmental standards.